Re: [PATCH v7 4/6] dt-bindings: mailbox: imx-mu: add i.MX6SX and i.MX7S SoCs.

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On Thu, Jul 26, 2018 at 5:25 PM, Vladimir Zapolskiy
<vladimir_zapolskiy@xxxxxxxxxx> wrote:
> On 07/26/2018 02:52 PM, Jassi Brar wrote:
>> On Thu, Jul 26, 2018 at 5:14 PM, Vladimir Zapolskiy
>> <vladimir_zapolskiy@xxxxxxxxxx> wrote:

>>>
>> Please note the submitted driver absolutely don't care which of the
>> five SoCs it is.
>
> True.
>

>> In other words, all these SoCs have the same controller.
>
> False :)
>
OK, so the controllers are not identical, but same enough to have a
common driver?
Is the driver not tested enough or are you planning to add more features?

>> So its about have just one compatible right now, and add more if some
>> new SoC comes with a variation of the controller.
>>
>
> True. The driver will be changed in this case, unfortunately the bindings
> are not so volatile.
>
The volatility of the bindings will be same when you add a new SoC
compatible ;)  And you must add to bindings+driver, or the same h/w
and same driver won't work for your new platform.
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